👉 In the context of computer science, a "grinner" is a type of software bug that occurs when an application or program fails to properly handle user input. These bugs can occur due to incorrect syntax or logic in the code, or errors in the way the system handles user interactions. Grinners are often considered as a security risk because they can lead to unauthorized access and data breaches. They can also cause unexpected behavior on the part of the application, such as crashing or freezing the program